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Finding the Fourth Proportional to 251,866.01, 377,799.08 and 83,341.05

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Solution

The fourth proportional to 251,866.01, 377,799.08 and 83,341.05 is: 125,011.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,866.01 : 377,799.08 = 83,341.05 : x
  2. Step 2: Convert to fraction form
    251,866.01/377,799.08 = 83,341.05/x
  3. Step 3: Cross multiply
    251,866.01x = 377,799.08 × 83,341.05
  4. Step 4: Simplify right side
    251,866.01x = 31,486,171,599.53
  5. Step 5: Solve for x
    x = 31,486,171,599.53/251,866.01
  6. Step 6: Final answer
    x = 125,011.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.